<template>
  <div class="dashboard-container">
    <div class="app-container">
      <el-card>
        <el-tabs>
          <!-- 放置页签 -->
          <el-tab-pane label="角色管理">
            <!-- 新增角色按钮 -->
            <el-row style="height:60px">
              <el-button
                icon="el-icon-plus"
                size="small"
                type="primary"
                @click="hAdd"
              >新增角色</el-button>
            </el-row>
            <!-- 表格 -->
            <el-table :data="list">
              <el-table-column label="序号" width="120" type="index" />
              <el-table-column label="角色名称" width="240" prop="name" />
              <el-table-column label="描述" prop="description" />
              <el-table-column label="操作">
                <template #default="{row}">
                  <el-button size="small" type="success" @click="hAssignPer(row.id)">分配权限</el-button>
                  <el-button size="small" type="primary" @click="hEdit(row)">编辑</el-button>
                  <el-button size="small" type="danger" @click="hDel(row.id)">删除</el-button>
                </template>
              </el-table-column>
            </el-table>

            <el-row type="flex" justify="center" align="middle" style="height: 60px">
              <!-- 分页组件
                current-page:控制当前的页码值
                page-sizes:每页显示条数的选项
              -->
              <el-pagination
                :current-page="pageParams.page"
                :page-sizes="[2,3,5,10,20]"
                :page-size="pageParams.pagesize"
                layout="total,sizes,prev,pager,next,jumper"
                :total="total"
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
              />
            </el-row>
          </el-tab-pane>
        </el-tabs>
      </el-card>

      <!-- 新增弹框 -->
      <el-dialog
        :title="isEdit? '编辑角色' : '新增角色' "
        :close-on-click-modal="false"
        :close-on-press-escape="false"
        :visible.sync="showDialog"
        @close="hClose"
      >
        <el-form ref="roleForm" :model="roleForm" :rules="rules" label-width="100px">
          <el-form-item label="角色名称" prop="name">
            <el-input v-model="roleForm.name" />
          </el-form-item>
          <el-form-item label="角色描述" prop="description">
            <el-input v-model="roleForm.description" />
          </el-form-item>
        </el-form>
        <!-- 底部 -->
        <el-row slot="footer" type="flex" justify="center">
          <el-col :span="6">
            <el-button size="small">取消</el-button>
            <el-button size="small" type="primary" @click="hSubmit">确定</el-button>
          </el-col>
        </el-row>
      </el-dialog>
      <!-- 分配权限的弹层 -->
      <el-dialog title="分配权限" :visible.sync="perShowDialog">
        <assignPer
          v-if="perShowDialog"
          :role-id="roleId"
          @success="perShowDialog=false"
        />
      </el-dialog>
    </div>
  </div>
</template>
<script>
import { addRoles, delRoles, editRoles, getRoles } from '@/api/settings'
import assignPer from './assignPermisson.vue'
export default {
  components: { assignPer },
  data() {
    return {
      // 保存角色列表
      list: [],
      pageParams: {
        page: 1, // 页码值
        pagesize: 10 // 每页的条数
      },
      // currentPage4: 3 // 当前页数
      total: 0,
      // 编辑状态
      isEdit: false,
      roleForm: {
        name: '',
        description: ''
      },
      showDialog: false,
      roleId: '',
      perShowDialog: false,
      rules: {
        name: [{ required: true, message: '请输入角色', trigger: 'blur' }],
        description: [{ required: true, message: '请输入描述', trigger: 'blur' }]
      }
    }
  },
  created() {
    this.loadRoles()
  },
  methods: {

    // 当每页显示的条数进行切换时触发---Val:每页显示的条数
    handleSizeChange(val) {
      console.log(`每页${val}条`)
      this.pageParams.page = 1
      this.pageParams.pagesize = val
      this.loadRoles()
    },

    // 当前的页码值切换时触发 --val --当前的页码值
    handleCurrentChange(val) {
      console.log(`当前页：${val}`)
      this.pageParams.page = val
      this.loadRoles()
    },
    async loadRoles() {
      try {
        const res = await getRoles(this.pageParams)
        console.log(res)
        this.list = res.data.rows
        this.total = res.data.total
      } catch (error) {
        this.$message.error('获取数据失败')
      }
    },
    hAssignPer(id) {
      this.roleId = id
      this.perShowDialog = true
    },
    // 点击新增
    hAdd() {
      this.isEdit = false
      this.showDialog = true
    },
    // 点击编辑 :数据回显
    hEdit(row) {
      console.log(row, '表单的数据')
      // 填充到表单
      this.roleForm = { ...row }
      this.isEdit = true
      this.showDialog = true
    },
    // 点击删除
    hDel(id) {
      this.$confirm('你确认删除这个角色吗?').then(async() => {
        const res = await delRoles(id)
        // 判断是不是最后一条数据
        if (this.list.length === 1) {
          this.pageParams.page--
          if (this.pageParams.page <= 0) {
            this.pageParams.page = 1
          }
        }
        if (res.code === 10000) {
          this.$message.success('删除成功')
          this.loadRoles()
        }
      }).catch(error => console.log(error))
    },
    // 关闭弹层
    hClose() {
      // 重置表单
      this.$refs.roleForm.resetFields()
      // 清空数据
      this.roleForm = {
        name: '',
        description: ''
      }
    },
    // 点击确认 效验表单 显示表单 新增角色
    hSubmit() {
      this.$refs.roleForm.validate(valid => {
        if (!valid) return
        console.log(1)
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 新增角色 :调到新增数据的那一页-最后一页,关闭弹层
    async doAdd() {
      const res = await addRoles(this.roleForm)
      console.log(res, '点击新增')
      this.total++
      // 最后页 总 / 每页
      const maxPage = Math.ceil(this.total / this.pagesize)
      this.page = maxPage
      // 刷新数据
      this.loadRoles()
      // 关闭弹层
      this.showDialog = false
    },
    async doEdit() {
      try {
        const res = await editRoles(this.roleForm)
        console.log(res, '点击编辑')
        this.loadRoles()
        this.showDialog = false
      } catch (error) {
        console.log(error)
      }
    }
  }

}
</script>
